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  1. Year 2000 problem - Wikipedia

    The term year 2000 problem, [1] or simply Y2K, refers to potential computer errors related to the formatting and storage of calendar data for dates in and after the year 2000. Many programs represented four-digit years with only the final two digits, making the year 2000 indistinguishable from 1900. Computer systems' inability to distinguish ...

  2. Y2K bug | Definition, Hysteria, & Facts | Britannica

    Mar 18, 2025 · Y2K bug, a problem in the coding of computerized systems that was projected to create havoc in computers and computer networks around the world at the beginning of the year 2000 (in metric measurements, k stands for 1,000).

  3. Y2K bug - National Geographic Society

    The Y2K bug was a computer flaw, or bug, that may have caused problems when dealing with dates beyond December 31, 1999. Geography, Human Geography, Social Studies, World History. A computer flaw, the so-called "Millennium Bug," led to anxiety and the Y2K (Year 2000) scare.

  4. Y2K - Smithsonian Institution

    Sep 11, 2019 · The term Year 2000 bug, also known as the millennium bug and abbreviated as Y2K, referred to potential computer problems which might have resulted when dates used in computer systems moved from the ye...

  5. 20 Years Later, the Y2K Bug Seems Like a Joke—Because Those ... - TIME

    Dec 30, 2019 · The term Y2K had become shorthand for a problem stemming from the clash of the upcoming Year 2000 and the two-digit year format utilized by early coders to minimize use of computer memory, then...

  6. What Was the Y2K Bug, and Why Did It Terrify the World? - How-To Geek

    May 16, 2020 · Remember Y2K? This millennium bug was supposed to cause catastrophic problems on January 1, 2000. So, what really happened?

  7. Y2K bug summary | Britannica

    Y2K bug, or Year 2000 bug or millennium bug, Potential problem in computers and computer networks at the beginning of the year 2000. Until the 1990s, most computer programs used only the last two digits to designate the year, the first two digits being fixed at 19.

  8. Y2K bug: Facts & Related Content - Encyclopedia Britannica

    Y2K bug, a problem in the coding of computerized systems that was projected to create havoc in computers and computer networks around the world at the beginning of the year 2000. After over a year of international alarm, few major failures occurred in the transition from December 31, 1999, to January 1, 2000.

  9. Y2K Definition - What was the Y2K bug? - TechTerms.com

    Nov 21, 2024 · Y2K, most commonly associated with the "Y2K bug," was a programming issue that sparked widespread concern as the year 1999 turned to 2000. The bug stemmed from a common practice in early computer programming: storing years as two digits (e.g., "80" for 1980) to save memory.

  10. Year 2038 problem - Wikipedia

    The year 2038 problem (also known as Y2038, [1] Y2K38, Y2K38 superbug or the Epochalypse[2][3]) is a time computing problem that leaves some computer systems unable to represent times after 03:14:07 UTC on 19 January 2038.

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